Question 1

Which of the following compounds is polar?

Accepted Answer

A)  N₂ 
B)  O₂ 
C)  SOCL₂ 
D)  CO₂ 
A)  N₂ 
B)  O₂ 
C)  SOCL₂ 
D)  CO₂ C

Question 2

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom.
-trigonal planar, three

Accepted Answer

A) 4 
B) 3 
C) 2 
A) 4 
B) 3 
C) 2 B

Question 3

Identify each of the molecules as polar or non-polar.
-H?O

Accepted Answer

A) non-polar 
B) polar 
A) non-polar 
B) polar B

Question 4

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-PH₃

Accepted Answer

The answer of Use VSEPR theory to predict the shape...

Question 5

The pyramidal structure is the tetrahedral arrangement minus a bond but with a lone pair.

Accepted Answer

A) True 
 B)False

Question 6

Match each of the ions with its corresponding shape.
-HC?-

Accepted Answer

A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral 
A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral

Question 7

Which of the following sulfur-containing compounds or ions is not polar?

Accepted Answer

A)  SO₃ 
B)  H₂S 
C)  HS- 
D)  SOCL₂ 
A)  SO₃ 
B)  H₂S 
C)  HS- 
D)  SOCL₂

Question 8

The difference in electronegativity between H and in HF is higher than that between H and Cl in HCl.

Accepted Answer

A) True 
 B)False

Question 9

What is the steric number of the central atom in boron trichloride?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 10

Carbon tetrachloride is polar.

Accepted Answer

A) True 
 B)False

Question 11

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?

Accepted Answer

A)  2 
B)  1 
C)  4 
D)  3 
A)  2 
B)  1 
C)  4 
D)  3

Question 12

Match each molecule with its shape of the central atom.
-water

Accepted Answer

A) linear 
B) trigonal plamar 
C) tetrahedral 
D) bent 
E) trigonal planar
F)pyramidal 
A) linear 
B) trigonal plamar 
C) tetrahedral 
D) bent 
E) trigonal planar
F)pyramidal

Question 13

Which of the following compounds is polar?

Accepted Answer

A)  SO₃ 
B)  CO₂ 
C)  CS2 
D)  H₂CO 
A)  SO₃ 
B)  CO₂ 
C)  CS2 
D)  H₂CO

Question 14

Match each molecule with an angle around the central atom.
-ammonium ion

Accepted Answer

A) 105° 
B) 107° 
C) 120° 
D) 118° 
E) 109.5°
F)180° 
A) 105° 
B) 107° 
C) 120° 
D) 118° 
E) 109.5°
F)180°

Question 15

Match each of the ions with its corresponding shape.
-CH?+

Accepted Answer

A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral 
A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral

Question 16

Which of the following pictures best illustrates a tetrahedral shape for the molecule AB4?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes.
-NO₃-

Accepted Answer

The answer of Use VSEPR theory to predict the shape...

Question 18

Match each molecule with its shape of the central atom.
-carbon disulfide

Accepted Answer

A) linear 
B) trigonal plamar 
C) tetrahedral 
D) bent 
E) trigonal planar
F)pyramidal 
A) linear 
B) trigonal plamar 
C) tetrahedral 
D) bent 
E) trigonal planar
F)pyramidal

Question 19

Bonds are regions of negative charge and therefore repel each other.

Accepted Answer

A) True 
 B)False

Question 20

Match each of the ions with its corresponding shape.
-CH?-

Accepted Answer

A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral 
A) bent 
B) trigonal planar 
C) linear 
D) pyramidal 
E) tetrahedral

Which of the following compounds is polar?

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom. -trigonal planar, three

Identify each of the molecules as polar or non-polar. -H?O

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -PH₃

The pyramidal structure is the tetrahedral arrangement minus a bond but with a lone pair.

Match each of the ions with its corresponding shape. -HC?-

Which of the following sulfur-containing compounds or ions is not polar?

The difference in electronegativity between H and in HF is higher than that between H and Cl in HCl.

What is the steric number of the central atom in boron trichloride?

Carbon tetrachloride is polar.

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?

Match each molecule with its shape of the central atom. -water

Which of the following compounds is polar?

Match each molecule with an angle around the central atom. -ammonium ion

Match each of the ions with its corresponding shape. -CH?+

Which of the following pictures best illustrates a tetrahedral shape for the molecule AB4?

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -NO₃-

Match each molecule with its shape of the central atom. -carbon disulfide

Bonds are regions of negative charge and therefore repel each other.

Match each of the ions with its corresponding shape. -CH?-

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 6: The Shape of Molecules

Which of the following compounds is polar?

Match the shape and number of electron groups at the central atom with the number of bonding pairs of electrons on the central atom. -trigonal planar, three

Identify each of the molecules as polar or non-polar. -H?O

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -PH₃

The pyramidal structure is the tetrahedral arrangement minus a bond but with a lone pair.

Match each of the ions with its corresponding shape. -HC?-

Which of the following sulfur-containing compounds or ions is not polar?

The difference in electronegativity between H and in HF is higher than that between H and Cl in HCl.

What is the steric number of the central atom in boron trichloride?

Carbon tetrachloride is polar.

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?

Match each molecule with its shape of the central atom. -water

Which of the following compounds is polar?

Match each molecule with an angle around the central atom. -ammonium ion

Match each of the ions with its corresponding shape. -CH?+

Which of the following pictures best illustrates a tetrahedral shape for the molecule AB4?

Use VSEPR theory to predict the shape of the molecule or complex ion shown. Draw a Lewis dot structure to assist you in determining these shapes. -NO₃-

Match each molecule with its shape of the central atom. -carbon disulfide

Bonds are regions of negative charge and therefore repel each other.

Match each of the ions with its corresponding shape. -CH?-

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters